Just in at Tone Chasers Music is this SignalFlex SF-AB switch box in very good condition. Tested, functional and as pictured. 
Available to view at 121 Division Ave S, Grand Rapids, MI 49503.
*** If you have questions or would like to make an offer on a this item, please contact the store via call, text or email at 616-381-9611 / paul@tonechasersmusic.com ***